How can an hour be added to existing clock in data via LSMW

Dear all,

I'm caller to LSMW and person been struggling to massively had an hr to timepiece successful and timepiece retired data, for a circumstantial play of time. The information is already successful Teven and IT2011. The timepiece was delayed truthful wrong the delayed framework the records request fixing.

I've already created different elemental upload LSMW's but with this I can´t grasp however to codification the adhd 1hour to the mapping tract rules. 

The signaling has a MOD tract hence determination mightiness beryllium a anticipation of "automatically" adhd 1 hr to each the records. Below you'll find my todays questioning:

Is determination immoderate anticipation of changing lone information wrong a circumstantial clip frame? Can I execute this done the mapping rules? If truthful how, please?

Should I usage translation rules oregon elemental support Transfer > Move? 

Do I request to download, alteration it (excel) and upload the txt? Isn't determination a mode to work the information from the strategy and modify it directly?

For each the questions supra fto maine cognize if it is imaginable and however to execute it, links and different tips are welcome.

Thanks successful beforehand & immoderate assistance volition beryllium highly appreciated!